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Spinal Anatomy > ribs outline > Flashcards

ribs outline Flashcards

1
Q

what is the thoracic cage composed of?

A

ribs
costal cartilage
sternum
thoracic vertebrae

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2
Q

what is the functions of thoracic cage?

A

protection and support

assists with respiration

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3
Q

what rib pairs are the true ribs?

A

rib pairs 1-7

direct attachment to sternum

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4
Q

what rib pairs are the false ribs?

A

rib pairs 8-12

indirect attachment to sternum

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5
Q

what are the floating rib pairs?

A

11 and 12

no attachment to the sternum

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6
Q

what rib pairs are the TYPICAL ribs?

A

rib pairs 3-9

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7
Q

each of the typical ribs can be divided into what four regions?

A

head
neck
tubercle
body

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8
Q

what is known as the capitulum costae?

A

head

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9
Q

what articular facet of the typical ribs would articulate with the inferior costal demi-facet of a thoracic vertebra?

A

superior articular facet

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10
Q

which articular facet of the typical ribs, articulates with the superior costal demi-facet of a thoracic vertebra?

A

inferior articular facet

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11
Q

on a typical rib, what is the body ridge found between the superior and inferior articular facets?

A 
interarticular crest
(ligament attachment site)
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12
Q

what is known as the collum costae?

A

Neck

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13
Q

on the neck of a typical rib, what is the ridge on the superior surface?

A

Crest

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14
Q

on the tubercle of a typical rib there is an articular facet that articulates where?

A

articulates with the transverse costal facet of the thoracic vertebra

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15
Q

what is the positioning of the articular facet of the typical rib tubercle?

A

positioned more inferiorly and proximally on the bone

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16
Q

on the tubercle on a typical rib, what is the site of ligamentous attachement between the rib and the transverse process of the thoracic vertebra?

A

non-articular surface

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17
Q

what is the positioning of the non-articular surface on the tubercle of a typical rib?

A

positioned more superiorly and distally on the bone

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18
Q

what three things comprise the body of a typical rib?

A

costal angle
costal groove
costal cartilage surface

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19
Q

on the body of a typical rib, what is located on the inferior deep border of the rib?

A

costal groove

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20
Q

the costal cartilage surface is the attachment site for what?

A

costal cartilage….

a tad bit obvious

21
Q

on the body of a typical rib, where is the costal cartilage surface located?

A

distal end of corpus

22
Q

what are the atypical rib pairs?

A

1,2,10,11,12

23
Q

what are the components of the first rib?

A

head
neck
body

24
Q

what is the articular facet of the first rib head for?

A

for articulation with the superior costal facet of T1

25
Q

the neck of of the first rib has no?

A

distinctive crest

26
Q

the body of the first rib has what three things?

A

groove for the subclavian artery
scalene tubercle
groove for the subclavian vein

27
Q

where is the groove for the subclavian artery on the body of the first rib?

A

proximal to the scalene tubercle

28
Q

where is the scalene tubercle on the body of the first rib?

A

roughened elevation, on the inner border of the superior surface

29
Q

where is the groove for the subclavian vein on the body of the first rib?

A

distal to the scalene tubercle

30
Q

the body of the first rib has no costal ______ and no costal _______.

A

no costal angle

no costal groove

31
Q

where is the tuberosity for the serratus anterior?

A

the roughened area, on the outer edge of the superior surface of the second rib’s body

32
Q

which rib has a variable head that has either one or two articular facets?

A

tenth rib

articular facet of tubercle may be missing

33
Q

the head of the eleventh rib has a single?

A

articular facet

34
Q

the neck and tubercle are absent on what ribs?

A

11th and 12th

35
Q

what rib has a slight costal angle, the costal groove may be absent or very shallow, and costal cartilage surface is absent?

A

11th rib

36
Q

the head of the twelfth rib has?

A

a single articular facet

37
Q

describe the body of the twelfth rib?

A

no costal angle
no costal groove
no costal cartilage surface

38
Q

the sternum is divided into what sections?

A

manubrium sterni (presternum)
Body (gladious or corpus sterni)
Xiphoid process

39
Q

the jugular (suprasternal) notch is located where?

A

concavity on the superior border of the manubrium

40
Q

here is the clavicular notch located?

A

concave facet surface lateral to the jugular notch

on the manubrium

41
Q

where is costal notch 1 located?

A

on the manubrium, it lies immediately inferior and lateral to the clavicular notch

42
Q

where is costal notch 2?

A

lies at the inferior-lateral margin of the manubrium, where the manubrium joins the body

43
Q

what are the sternebrae?

A

individual segments, typically fused together

44
Q

how many sternebrae are tehre?

A

4

45
Q

what are the transverse lines?

A

line between the individual sternebrae

46
Q

where are costal notches 3-7 found?

A

found on the lateral margin of sternebrae 1-4

47
Q

where specifically is costal notch 7?

A

lies at the inferior-lateral margin of the body, where the body joins with the xiphoid process

48
Q

where is the xiphoid process (ensiform process or metasternum)?

A

most inferior segment of the sternum

Spinal Anatomy (7 decks)

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